/* --- Variables de Couleur et Polices --- */
:root {
    --vert-ocean: #0EA765; /* Vert principal homogène */
    --vert-ocean-fonce: #0a7b4b;
    --vert-ocean-clair: #e6fff2;
    --bleu-clair: #87CEEB;
    --blanc-casse: #F5F5F5;
    --texte-principal: #333333;
    --texte-secondaire: #666666;
    --bordure-legere: #E0E0E0;

    --font-titre: 'Montserrat', sans-serif;
    --font-texte: 'Lato', sans-serif;
}

/* --- Style Général --- */
body {
    margin: 0;
    font-family: var(--font-texte);
    background-color: var(--blanc-casse);
    color: var(--texte-principal);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 1200px;
    background-color: #FFFFFF;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.main-header {
    background-color: #FFFFFF;
    padding: 20px 50px;
    border-bottom: 1px solid var(--bordure-legere);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panels-container {
    display: flex;
}

.panel {
    padding: 50px;
    box-sizing: border-box;
}

/* --- Colonne de Gauche (Vidéo) --- */
.left-panel {
    flex-basis: 45%;
    background-color: #f7fcf9;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px;
}

.main-header h1 {
    font-family: var(--font-titre);
    color: var(--vert-ocean);
    font-size: 28px;
    margin: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info .user-email {
    background: var(--vert-ocean-clair);
    color: var(--vert-ocean);
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
}

.logout-btn,
.login-btn {
    background: var(--vert-ocean);
    color: #fff;
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
}

.logout-btn:hover,
.login-btn:hover {
    background: var(--vert-ocean-fonce);
}

main h2 {
    font-family: var(--font-titre);
    font-size: 36px;
    line-height: 1.3;
    margin-bottom: 20px;
}

.info-box {
    background-color: #FFF9C4; /* Jaune pâle pour l'attention douce */
    border-left: 4px solid #FFC107;
    padding: 15px;
    margin-bottom: 30px;
    border-radius: 4px;
    font-size: 15px;
    line-height: 1.6;
}

.action-section .separator {
    text-align: center;
    margin: 20px 0;
    color: var(--texte-secondaire);
}

.btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-family: var(--font-titre);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background-color: var(--vert-ocean);
    color: white !important;
}

.btn-secondary {
    background-color: var(--bleu-clair);
    color: white;
}

.text-input {
    width: 100%;
    height: 100px;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--bordure-legere);
    font-family: var(--font-texte);
    font-size: 15px;
    resize: none;
    box-sizing: border-box;
    margin-bottom: 20px;
}

/* --- Colonne de Droite (Contenu principal) --- */
.right-panel {
    flex-basis: 55%;
    padding: 40px;
}

.left-panel h3 {
    font-family: var(--font-titre);
    font-size: 22px;
    margin-bottom: 30px;
}

.video-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: var(--vert-ocean-clair);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--vert-ocean);
}

.play-button {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    position: relative;
    margin-bottom: 10px;
}
.play-button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 55%;
    transform: translate(-50%, -50%);
    border-left: 20px solid var(--vert-ocean);
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
}

.video-caption {
    margin-top: 20px;
    color: var(--texte-secondaire);
    line-height: 1.6;
    max-width: 350px;
}

/* --- Responsive pour les mobiles --- */
@media (max-width: 900px) {
    .panels-container {
        flex-direction: column;
    }
    .panel {
        padding: 30px;
    }
    .main-header {
        padding: 20px 30px;
    }
    .header-content {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
}